Function extent_alloc_wrapper_hard

deps/jemalloc/src/extent.c:1491–1528

}

static extent_t *
extent_alloc_wrapper_hard(tsdn_t *tsdn, arena_t *arena,
    extent_hooks_t **r_extent_hooks, void *new_addr, size_t size, size_t pad,
    size_t alignment, bool slab, szind_t szind, bool *zero, bool *commit) {
	size_t esize = size + pad;
	extent_t *extent = extent_alloc(tsdn, arena);
	if (extent == NULL) {
		return NULL;
	}
	void *addr;
	size_t palignment = ALIGNMENT_CEILING(alignment, PAGE);
	if (*r_extent_hooks == &extent_hooks_default) {
		/* Call directly to propagate tsdn. */
		addr = extent_alloc_default_impl(tsdn, arena, new_addr, esize,
		    palignment, zero, commit);
	} else {
		extent_hook_pre_reentrancy(tsdn, arena);
		addr = (*r_extent_hooks)->alloc(*r_extent_hooks, new_addr,
		    esize, palignment, zero, commit, arena_ind_get(arena));
		extent_hook_post_reentrancy(tsdn);
	}
	if (addr == NULL) {
		extent_dalloc(tsdn, arena, extent);
		return NULL;
	}
	extent_init(extent, arena, addr, esize, slab, szind,
	    arena_extent_sn_next(arena), extent_state_active, *zero, *commit,
	    true, EXTENT_NOT_HEAD);
	if (pad != 0) {
		extent_addr_randomize(tsdn, extent, alignment);
	}
	if (extent_register(tsdn, extent)) {
		extent_dalloc(tsdn, arena, extent);
		return NULL;
	}

	return extent;
}

extent_t *
extent_alloc_wrapper(tsdn_t *tsdn, arena_t *arena,